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Handheld Shop Orbital Sanders4/16
In sanding 6” to 10” inch wide thin boards, if you do not have a “time saver type large machine,” what wide hand sander 6 to 8 inches could be used?
Is the round orbital sander better than the rectangular orbital sander?
The dynabug ii (rectangular) sanders usually have a 3/32" orbit (not random) and are used to get in tight corners and break edges, per Dynabrade's catalog.
The round pad handheld (usually 5 or 6 in diameter) type sanders are available in three random orbits 3/8, 3/16 and 3/32.
Depending on the amount of stock removal and which step in the manufacturing process, the most aggressive removal will start with the 3/8 and for finishing prep sanding I would say the 3/32 for the best results.
FYI, We use 3/16 ROs in assembly and 3/32 ROs for finish prep.
We build cabinet doors so we need smaller sanders for maneuverability. Since you are sanding flat surfaces, I would suggest the widest possible disc you can use so you can cover more surface area in the fewest passes.